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14168 (1998 UR15)
Classification: Main-belt Asteroid          SPK-ID: 2014168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552836342998364 2.9506e-08  
a 3.165273600144367 1.6013e-08 au
q 2.673758411960622 9.9039e-08 au
i .650546303386535 4.8731e-06 deg
node 7.760867422172364 0.00028608 deg
peri 75.18571071068651 0.00028647 deg
M 299.5856545675681 1.5156e-05 deg
tp 2459545.685769901706
(2021-Nov-27.18576990)
8.6986e-05 TDB
period 2056.910097678629
5.63
1.5609e-05
4.274e-08
d
yr
n .1750198029589557 1.3281e-09 deg/d
Q 3.656788788328111 1.8499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2136  
   data-arc span      11655 days (31.91 yr)  
   first obs. used      1989-02-15  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:16:28  

Additional Information
 Earth MOID = 1.6895 au 
 Jupiter MOID = 1.57641 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457097.5 (2015-Mar-16.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504956137272884 2.8317e-08  
q 2.69486008852672 9.416e-08 au
tp 2457465.198382963284
(2016-Mar-17.69838296)
9.256e-05 TDB
node 9.090513861499311 0.00028028 deg
peri 71.19114319062827 0.00028079 deg
i .6630785137541498 4.8817e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2136  
   data-arc span      11655 days (31.91 yr)  
   first obs. used      1989-02-15  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:16:28  

Additional Information
 Jupiter MOID = 1.57641 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.018550423471317E-16 -2.641263718883419E-15 4.813062034145503E-14 -1.13664061283403E-14 4.675663238111037E-14 2.315498881824724E-16
q -2.641263718883419E-15 8.866057915092961E-15 -6.697833154599589E-14 2.910458389549025E-14 -1.368646520239196E-13 -5.532831611254371E-16
tp 4.813062034145503E-14 -6.697833154599589E-14 8.567414376382478E-9 4.751719737751356E-13 1.584892190440833E-9 -1.724463339715197E-13
node -1.13664061283403E-14 2.910458389549025E-14 4.751719737751356E-13 7.855782928676271E-8 -7.855061168305881E-8 -3.324953686983533E-10
peri 4.675663238111037E-14 -1.368646520239196E-13 1.584892190440833E-9 -7.855061168305881E-8 7.884498501971821E-8 3.32410149265038E-10
i 2.315498881824724E-16 -5.532831611254371E-16 -1.724463339715197E-13 -3.324953686983533E-10 3.32410149265038E-10 2.383099111497422E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.22   n/a E2021B10  
diameter diameter 12.618 km 4.682 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.844 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.064   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14168 (1998 UR15)          Discovered 1998-Oct-23 by Korlevic, K. at Visnjan
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

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